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3 years ago

What ways does a frog differ from a tadpole

2 answers:

8 0

Tadpoles have gills allowing them to breathe underwater while frogs have lungs. Tadpoles have tails and fins to help them swim while frogs have arms and legs.

diamong [38]3 years ago

5 0

A tadpole has to stat in water and has a tail where as the frog can go in both water and land and does not have a tail instead it has legs.oh and the tadpole swims not jump.

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Two organisms have analogous structures. A student concluded that these organisms must have a common ancestor is the student cor

arsen [322]

Answer:

The student is wrong, just because the analogous structures of any two organism may have the same structure or even have the some relation between there way of operation or functions.

Explanation:

Analogous Structures:

As the similarity between two or more different organisms structure or any organ does not means that they have same ancestors or have the common origin from which the evolve into two different species. Now analogous structures are very much similar in there structure physically, but two different organisms may use them for the same function, which is astonishing to see or observe in way different species.

For example:

As the structure of the flipper of a Dolphin has similarity with the phalanges of a human being and with the wings of the bat. As all of them functions for the basic need of movement or locomotion from one point to another. While, all the three species are very much different in there features and are not the same obviously.

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3 years ago

Carnivores on earth belong to which trophic level?

deff fn [24]

The third level, secondary consumers.

6 0

3 years ago

Which kind of cell is also called an epithelial

NISA [10]

Skin cells are also called epithelial cells

8 0

3 years ago

Read 2 more answers

A purebred tall pea plant is cross-pollinated with a tall, heterozygous pea plant. Use a Punnett square to determine the probabi

Ray Of Light [21]

Answer:

Explanation:

This question involves a gene coding for height in pea plants. The allele for tallness (T) is dominant over the allele for shortness (t). This means that allele T will be expressed over allele t in an heterozygous state.

A purebred tall plant will possess genotype: TT while a heterozygous tall plant will possess genotype: Tt. The two parents will produce the following gametes:

TT- T and T

Tt- T and t

Using these gametes in a punnet square (see attached image), the following offsprings with genotypes: TT and Tt in a ratio 1:1 will be produced.

TT offsprings are purebreed tall while Tt offsprings are heterozygous tall. Hence, based on the question, no offsprings of this cross will possess the recessive genotype (tt). This means that 0% of the offsprings of this cross will be short.

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3 years ago

The basic principle of taping is that all taping is based on all of the following except:

tatyana61 [14]

Answer:

I think it is D

8 0

2 years ago